!!################################ !!ALSA Information Script v 0.4.65 !!################################ !!Script ran on: Wed Sep 16 06:12:59 UTC 2020 !!Linux Distribution !!------------------ ID_LIKE=debian !!DMI Information !!--------------- Manufacturer: Product Name: Product Version: Firmware Version: Board Vendor: Board Name: !!ACPI Device Status Information !!--------------- !!Kernel Information !!------------------ Kernel release: 5.4.51 Operating System: GNU/Linux Architecture: armv6l Processor: unknown SMP Enabled: No !!ALSA Version !!------------ Driver version: k5.4.51 Library version: 1.1.8 Utilities version: 1.1.8 !!Loaded ALSA modules !!------------------- snd_usb_audio !!Sound Servers on this system !!---------------------------- No sound servers found. !!Soundcards recognised by ALSA !!----------------------------- 1 [Device ]: USB-Audio - USB Audio Device GeneralPlus USB Audio Device at usb-20980000.usb-1, full speed !!Modprobe options (Sound related) !!-------------------------------- snd_pcsp: index=-2 snd_usb_audio: index=-2 snd_atiixp_modem: index=-2 snd_intel8x0m: index=-2 snd_via82xx_modem: index=-2 snd_bcm2835: enable_compat_alsa=0 snd_bcm2835: enable_hdmi=1 snd_bcm2835: enable_headphones=1 !!Loaded sound module options !!--------------------------- !!Module: snd_usb_audio autoclock : Y device_setup : 0,0,0,0,0,0,0,0 enable : Y,Y,Y,Y,Y,Y,Y,Y id : (null),(null),(null),(null),(null),(null),(null),(null) ignore_ctl_error : N index : -2,-1,-1,-1,-1,-1,-1,-1 pid : -1,-1,-1,-1,-1,-1,-1,-1 quirk_alias : (null),(null),(null),(null),(null),(null),(null),(null) use_vmalloc : Y vid : -1,-1,-1,-1,-1,-1,-1,-1 !!USB Mixer information !!--------------------- --startcollapse-- USB Mixer: usb_id=0x1b3f2008, ctrlif=0, ctlerr=0 Card: GeneralPlus USB Audio Device at usb-20980000.usb-1, full speed Unit: 5 Control: name="Auto Gain Control", index=0 Info: id=5, control=7, cmask=0x0, channels=1, type="BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="Mic Capture Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=8448, dBmin=-1200, dBmax=3300 Unit: 5 Control: name="Mic Capture Switch", index=0 Info: id=5, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 6 Control: name="Speaker Playback Volume", index=0 Info: id=6, control=2, cmask=0x3, channels=2, type="S16" Volume: min=-11520, max=0, dBmin=-4500, dBmax=0 Unit: 6 Control: name="Speaker Playback Switch", index=0 Info: id=6, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 7 Control: name="Mic Playback Volume", index=0 Info: id=7, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-3072, max=2304, dBmin=-1200, dBmax=900 Unit: 7 Control: name="Mic Playback Switch", index=0 Info: id=7, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 --endcollapse-- !!ALSA Device nodes !!----------------- crw-rw---- 1 root audio 116, 32 Sep 16 07:59 /dev/snd/controlC1 crw-rw---- 1 root audio 116, 56 Sep 16 07:59 /dev/snd/pcmC1D0c crw-rw---- 1 root audio 116, 48 Sep 16 07:59 /dev/snd/pcmC1D0p crw-rw---- 1 root audio 116, 1 Sep 16 07:59 /dev/snd/seq crw-rw---- 1 root audio 116, 33 Sep 16 07:59 /dev/snd/timer /dev/snd/by-id: total 0 drwxr-xr-x 2 root root 60 Sep 16 07:59 . drwxr-xr-x 4 root root 180 Sep 16 07:59 .. lrwxrwxrwx 1 root root 12 Sep 16 07:59 usb-GeneralPlus_USB_Audio_Device-00 -> ../controlC1 /dev/snd/by-path: total 0 drwxr-xr-x 2 root root 60 Sep 16 07:59 . drwxr-xr-x 4 root root 180 Sep 16 07:59 .. lrwxrwxrwx 1 root root 12 Sep 16 07:59 platform-20980000.usb-usb-0:1:1.0 -> ../controlC1 !!ALSA configuration files !!------------------------ !!System wide config file (/etc/asound.conf) ctl.eq { type equal controls "/root/.alsaequal.bin" } pcm.plugequal { type equal slave.pcm "plughw:1,0" controls "/root/.alsaequal.bin" } pcm.!default { type plug slave.pcm plugequal slave.channels 2 } ctl.!default { type hw card 1 } !!Aplay/Arecord output !!-------------------- APLAY **** List of PLAYBACK Hardware Devices **** card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 ARECORD **** List of CAPTURE Hardware Devices **** card 1: Device [USB Audio Device], device 0: USB Audio [USB Audio] Subdevices: 1/1 Subdevice #0: subdevice #0 !!Amixer output !!------------- !!-------Mixer controls for card Device Card hw:1 'Device'/'GeneralPlus USB Audio Device at usb-20980000.usb-1, full speed' Mixer name : 'USB Mixer' Components : 'USB1b3f:2008' Controls : 10 Simple ctrls : 3 Simple mixer control 'Speaker',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 30 Mono: Front Left: Playback 16 [53%] [-21.00dB] [on] Front Right: Playback 16 [53%] [-21.00dB] [on] Simple mixer control 'Mic',0 Capabilities: pvolume pvolume-joined cvolume cvolume-joined pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Limits: Playback 0 - 14 Capture 0 - 30 Mono: Playback 1 [7%] [-10.50dB] [off] Capture 26 [87%] [27.00dB] [on] Simple mixer control 'Auto Gain Control',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] !!Alsactl output !!-------------- --startcollapse-- state.Device { control.1 { iface PCM name 'Playback Channel Map' value.0 0 value.1 0 comment { access read type INTEGER count 2 range '0 - 36' } } control.2 { iface PCM name 'Capture Channel Map' value 0 comment { access read type INTEGER count 1 range '0 - 36' } } control.3 { iface MIXER name 'Mic Playback Switch' value false comment { access 'read write' type BOOLEAN count 1 } } control.4 { iface MIXER name 'Mic Playback Volume' value 1 comment { access 'read write' type INTEGER count 1 range '0 - 14' dbmin -1200 dbmax 900 dbvalue.0 -1050 } } control.5 { iface MIXER name 'Speaker Playback Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.6 { iface MIXER name 'Speaker Playback Volume' value.0 16 value.1 16 comment { access 'read write' type INTEGER count 2 range '0 - 30' dbmin -4500 dbmax 0 dbvalue.0 -2100 dbvalue.1 -2100 } } control.7 { iface MIXER name 'Mic Capture Switch' value true comment { access 'read write' type BOOLEAN count 1 } } control.8 { iface MIXER name 'Mic Capture Volume' value 26 comment { access 'read write' type INTEGER count 1 range '0 - 30' dbmin -1200 dbmax 3300 dbvalue.0 2700 } } control.9 { iface MIXER name 'Auto Gain Control' value false comment { access 'read write' type BOOLEAN count 1 } } control.10 { iface CARD name 'Keep Interface' value false comment { access 'read write' type BOOLEAN count 1 } } } --endcollapse-- !!All Loaded Modules !!------------------ bcm2835_isp bcm2835_mmal_vchiq brcmfmac brcmutil cfg80211 evdev fixed ip_tables ipv6 libsha256 mc nf_defrag_ipv6 raspberrypi_hwmon rfkill sha256_generic snd snd_hwdep snd_pcm snd_rawmidi snd_seq_device snd_timer snd_usb_audio snd_usbmidi_lib uio uio_pdrv_genirq vc_sm_cma videobuf2_common videobuf2_dma_contig videobuf2_memops videobuf2_v4l2 videodev x_tables !!ALSA/HDA dmesg !!-------------- [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 125860 [ 0.000000] Kernel command line: coherent_pool=1M 8250.nr_uarts=0 snd_bcm2835.enable_compat_alsa=0 snd_bcm2835.enable_hdmi=1 snd_bcm2835.enable_headphones=1 bcm2708_fb.fbwidth=16 bcm2708_fb.fbheight=16 bcm2708_fb.fbdepth=16 bcm2708_fb.fbswap=1 smsc95xx.macaddr=B8:27:EB:07:C8:E9 vc_mem.mem_base=0x1fa00000 vc_mem.mem_size=0x20000000 console=tty1 root=PARTUUID=907af7d0-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait quiet net.ifnames=0 [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) -- [ 11.374726] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 11.675030] usbcore: registered new interface driver snd-usb-audio [ 11.696229] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' !!Packages installed !!-------------------- ii alsa-utils 1.1.8-2 armhf Utilities for configuring and using ALSA